package com.wwl.cms.utils.designModeTest.interpreter;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;

/**
 * @author wwl
 * @version 1.0
 * @date 2021/9/26 20:53
 * @description:
 */
public class ClientTest {
    public static void main(String[] args)throws IOException {
        String expStr = getExpStr();
        HashMap<String,Integer> var = getValue(expStr);
        Calculator calculator = new Calculator(expStr);
        System.out.println("运算结果："+expStr+"="+calculator.run(var));


    }
    //获得表达式
    public static String getExpStr()throws IOException{
        return (new BufferedReader(new InputStreamReader(System.in))).readLine();
    }
    //获得值映射
    public static HashMap<String,Integer> getValue(String expStr) throws IOException{
        HashMap<String,Integer> map = new HashMap<>();
        for (char ch:expStr.toCharArray()){
            if (ch!='+'&& ch !='-'){
                if (!map.containsKey(String.valueOf(ch))){
                    System.out.println("请输入"+String.valueOf(ch)+"的值");
                    String in= (new BufferedReader(new InputStreamReader(System.in))).readLine();
                    map.put(String.valueOf(ch),Integer.valueOf(in));
                }
            }
        }
        return map;
    }
}
